A century ago Seattle was barely a frontier town, but it still had the foresight to sponsor the Olmstead Brothers to design a plan for parks. Today the plans that set aside well-used green space from Lake Washington to the Arboretum to Ravenna are a key part of the city.

Now Seattle needs to plan for new open spaces to support a city that may have, by 2100, twice its current population. This article by a designer and a professor tries to get the ball rolling.